Alright, let's work through 2112 times 1979 step by step
2112 × 1979 = 1979 × (2112)
+ 1979 × 2 that is equal 3958
+ 1979 × 10 which equals 19790
+ 1979 × 100 resulting in 197900
+ 1979 × 2000 that results in 3958000

= 4179648
